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Bee Fly

Paravilla separata

Description:

Adult bee flies nectar on flowers. The larvae are parasitoids of ground-nesting bees, such as mining, plasterer & halictid bees. Females will lay their eggs in open tunnels of solitary bees. Once the larva emerges it will feed on the provisions left for the bee larvae and will eventually attack & kill the bee larvae.

Habitat:

Midwestern U.S. + Georgia & Alabama. Meadows, open fields, gardens.

Notes:

Observed on Shasta Daisy (Leucanthemum x superbum). Paravilla separata may or may not be considered beneficial, since their host is beneficial native pollinators, but they are still important to keeping populations in check.

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Small Wonders
Spotted by
Small Wonders

Grand Rapids, Michigan, USA

Spotted on Jul 3, 2012
Submitted on Aug 21, 2012

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